/**
 * Created by Administrator on 2017/4/27 0027.
 */
public class CodeStandard {
    @Override
    public String toString() {
        return new org.apache.commons.lang.builder.ToStringBuilder(this)
                .toString();
    }

    public static void main(String[] args) {
        StringBuffer buffer = new StringBuffer();
        buffer.append('S');
        buffer.append("tringBuffer");
        System.out.println(buffer.charAt(1));
        System.out.println(buffer.capacity());
        System.out.println(buffer.indexOf("tring"));
        System.out.println("buffer = " + buffer.toString());
        if (buffer.capacity() < 20)
            buffer.append("1234567");
        for (int i = 0; i < buffer.length(); i++)
            System.out.println(buffer.charAt(i));
    }
}